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* cxx.cc (default_cygwin_cxx_malloc): Enhance commenting.

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* dll_init.cc (dll_dllcrt0_1): Likewise.
	* dlfcn.cc (dlopen): Prevent dlopen()'d DLL from installing any
	cxx malloc overrides.
	* include/cygwin/cygwin_dll.h (__dynamically_loaded): New variable.
	* lib/_cygwin_crt0_common.cc (_cygwin_crt0_common): Check it and only
	install cxx malloc overrides when statically loaded.  Extend comments.
This commit is contained in:
Corinna Vinschen
2009-08-13 07:35:50 +00:00
parent 61189f19de
commit ce5eb135a2
6 changed files with 70 additions and 8 deletions
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2
winsup/cygwin/include/cygwin/cygwin_dll.h
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@ -33,6 +33,7 @@ CDECL_END \
static HINSTANCE storedHandle; \
static DWORD storedReason; \
static void* storedPtr; \
int __dynamically_loaded; \
\
static int __dllMain (int a, char **b, char **c) \
{ \
@ -53,6 +54,7 @@ int WINAPI _cygwin_dll_entry (HINSTANCE h, DWORD reason, void *ptr) \
storedHandle = h; \
storedReason = reason; \
storedPtr = ptr; \
__dynamically_loaded = (ptr == NULL); \
dll_index = cygwin_attach_dll (h, &__dllMain); \
if (dll_index == (DWORD) -1) \
ret = 0; \